package com.chj.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringContextUtil implements ApplicationContextAware {

	private static ApplicationContext applicationContext;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		if (SpringContextUtil.applicationContext == null) {
			SpringContextUtil.applicationContext = applicationContext;
		}
	}

	public static <T> T getBean(Class<T> clazz) {
		return applicationContext.getBean(clazz);
	}

	@SuppressWarnings("unchecked")
	public static <T> T getBean(String beanName) {
		return (T) applicationContext.getBean(beanName);
	}

}